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ECS Creation Can I Change the Image of a Purchased ECS? Can I Change the Specifications Defined by a Private Image When I Use the Image to Create an ECS? Can I Specify the System Disk Capacity When I Create an ECS Using an Image? What Do I Do If a Partition Is Not Found During the
What Do I Do If an ECS Starts Slowly? Symptom If an ECS starts slowly, you can change the default timeout duration to speed up the startup. Solution Log in to the ECS. Run the following command to switch to user root: sudo su Run the following command to query the version of the GRUB
How Do I Create a Full-ECS Image Using an ECS That Has a Spanned Volume? You are not advised to use a Windows ECS that has a spanned volume to create a full-ECS image. If you create such an image and then use it to create new ECSs, data may be lost. If an ECS has a spanned volume,
Creating a Full-ECS Image from an ECS Scenarios You can create an image of an entire ECS, including not just the OS, but also the software and all the service data. You can then use this image to migrate data by quickly provisioning exact clones of the original ECS. This section does
Configuring the ECS and Creating a Windows System Disk Image Scenarios After installing an OS for the temporary ECS, configure the ECS and install Guest OS drivers provided by the cloud platform so that ECSs that will be created with this temporary ECS as a source can work properly
Configuring the ECS and Creating a Linux System Disk Image Scenarios After installing an OS for the temporary ECS, configure the ECS and install Xen and KVM drivers to ensure that ECSs created from this temporary ECS can work properly. This section describes how to configure a Linux
Creating an ECS from an Image Scenarios You can use a public, private, or shared image to create an ECS. If you use a public image, the created ECS contains an OS and preinstalled public applications. You need to install other applications as needed. If you use a private or shared
Creating a System Disk Image from an ECS Scenarios If you have created and configured an ECS based on your service requirements (for example, by installing software and setting up an application environment), you can use this ECS to create a system disk image. Then, all new ECSs created
Installing Native Xen and KVM Drivers on a Xen ECS Scenarios Before using a Xen ECS to create a private image, you need to install native Xen and KVM drivers on the ECS. This section describes how to install native Xen and KVM drivers. Alternatively, you can use a script to automate
Cleaning Up the Disk Space of a Windows ECS Scenarios To clean up the disk space of a Windows ECS, you need to perform the following operations. Disable Virtual Memory Some disk space of an ECS serves as virtual memory which can be used when the ECS memory is exhausted. However, when
Creating a Windows ECS from an ISO Image Scenarios This section describes how to create an ECS from a registered ISO image. Constraints Dedicated Cloud (DeC) users cannot create ECSs from ISO images. If the DeC service is enabled for a user in a specified region, the user will be
Creating a Linux ECS from an ISO Image Scenarios This section describes how to create an ECS from a registered ISO image. Constraints Dedicated Cloud (DeC) users cannot create ECSs from ISO images. If the DeC service is enabled for a user in a specified region, the user will be a
Why Can't I Find an ISO Image When I Want to Use It to Create an ECS or Change the OS of an ECS? An ISO image is only an intermediate product and is not available on the ECS console. The final product is a system disk image that has an OS and drivers installed. You are not advised
Detaching Data Disks from an ECS Scenarios If multiple data disks are attached to the ECS used to create a private image, ECSs created from the image may be unavailable. Therefore, you need to detach all data disks from the ECS before using it to create a private image. This section
How Do I Configure an ECS to Use DHCPv6? Scenarios IPv6 addresses are used to deal with IPv4 address exhaustion. If an ECS uses an IPv4 address, the ECS can run in dual-stack mode after IPv6 is enabled for it. Then, the ECS will have two IP addresses to access the intranet and Internet
What Can I Do with a Cloud-Init ECS? Introduction to Cloud-Init Cloud-Init is an open-source tool for cloud instance initialization. When creating ECSs from an image with Cloud-Init, you can use user data injection to customize initialization details (for example, an ECS login password
Why Can't I Find My Private Image When I Want to Use It to Create an ECS or Change the OS of an ECS? When you create an ECS or change the OS of an existing ECS, some of your private images are not shown. One possible cause is that the x86 and Arm architectures are incompatible with
Installing Native KVM Drivers on a KVM ECS Scenarios Before using a KVM ECS to create a private image, you need to install native KVM drivers on the ECS. If the drivers have been installed, skip this section. If you do not install KVM drivers, NICs of the ECS may not be detected and
Can I Change the Image of a Purchased ECS? Yes. If you have selected the wrong image or your service requirements have changed, you can change the image of your ECS. You can change the image type (public, private, KooGallery, and shared images) and OS. For details, see Changing the
Must I Install Guest OS Drivers on an ECS? Installing Guest OS drivers on an ECS improves your experience in using the ECS. In addition, it also ensures high reliability and stability of ECSs. Windows ECSs: Install PV and VirtIO drivers on ECSs. Linux ECSs: Install Xen PV and VirtIO
